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CVE-2026-8500

Web::Passwd versions through 0.03 for Perl is vulnerable to RCE

9.8 Critical

Web::Passwd versions through 0.03 for Perl is vulnerable to RCE.

Web::Passwd is a small CGI application for managing htpasswd files using the htpasswd command.

The user parameter is not validated or escaped, and is used as the last argument on the command line, allowing for command injection.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.65%Up 1.6 points since May 14, 2026
90%50%10%1%

What each source reports

CVE List Score used 9.8

Web::Passwd versions through 0.03 for Perl is vulnerable to RCE

Web::Passwd versions through 0.03 for Perl is vulnerable to RCE.

Web::Passwd is a small CGI application for managing htpasswd files using the htpasswd command.

The user parameter is not validated or escaped, and is used as the last argument on the command line, allowing for command injection.

Record
CVE-2026-8500
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02
EUVDEUVD-2026-30206 9.8

Web::Passwd versions through 0.03 for Perl is vulnerable to RCE.

Web::Passwd is a small CGI application for managing htpasswd files using the htpasswd command.

The user parameter is not validated or escaped, and is used as the last argument on the command line, allowing for command injection.

Record
EUVD-2026-30206
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-jrw9-jqqp-jcq9 9.8

Web::Passwd versions through 0.03 for Perl is vulnerable to RCE. Web::Passwd is a small CGI...

Web::Passwd versions through 0.03 for Perl is vulnerable to RCE.

Web::Passwd is a small CGI application for managing htpasswd files using the htpasswd command.

The user parameter is not validated or escaped, and is used as the last argument on the command line, allowing for command injection.

Record
GHSA-jrw9-jqqp-jcq9
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02
NVD 9.8

Web::Passwd versions through 0.03 for Perl is vulnerable to RCE.

Web::Passwd is a small CGI application for managing htpasswd files using the htpasswd command.

The user parameter is not validated or escaped, and is used as the last argument on the command line, allowing for command injection.

Record
CVE-2026-8500
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-8500 is a critical vulnerability (CVSS 9.8) in Evank Web::passwd, published May 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.65%, the 76th percentile. No source names a fixed version.

References

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